your reference is from steve at Green Shed Conversions. The process is called "Dump Charging" and if the voltage is about the same it is very simple (Akin to " jump-starting" a gas car...)
*Dennis Lee Miles * *Director **E.V.T.I. Inc.* *E-Mail:* *[email protected]* <[email protected]> *Phone #* *(863) 944-9913* Dade City, Florida 33523 USA On Sat, Apr 19, 2014 at 5:12 PM, Dan Baker <[email protected]> wrote: > Hello fellow Evlist users, > I have question around charging the battery pack on an EV from a larger > pack of batteries, same voltage. I'm looking to build a stationary solar > array (48v) and charging 12 x 12 volt 133 amp/hr sealed lead acid > batteries, 4 batteries per bank These are retired but gently used UPS > batteries and I will have about 1200 watts in solar going into a > Morningstar 45 amp solar controller. I would like to be able to charge my > EV boat pack (http://www.evalbum.com/4767) from this pack, UPS batteries > again, but 4 x 12 volt AGM 133 amp/hr. > My questions for the list: how do I transfer the charge from the solar > bank to the EV pack? Can I just use a charge cable directly and the two > banks will equalize? Or would I need to use a charge controller? I have > another 45 amp solar controller I could hook from the main battery pack to > the EV pack but I fear the input amps would exceed it? I remember a while > back someone mentioned they were charging a lawnmower from a truck pack, > wish I could find more info on this. > > Thanks in advance for your help and thanks for all the great contributors > on the list, fantastic learning and information! > Dan > -------------- next part -------------- > An HTML attachment was scrubbed... > URL: < > http://lists.evdl.org/private.cgi/ev-evdl.org/attachments/20140419/9a609d6a/attachment.htm > > > _______________________________________________ > UNSUBSCRIBE: http://www.evdl.org/help/index.html#usub > http://lists.evdl.org/listinfo.cgi/ev-evdl.org > For EV drag racing discussion, please use NEDRA ( > http://groups.yahoo.com/group/NEDRA) > > -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.evdl.org/private.cgi/ev-evdl.org/attachments/20140419/29bdfcb4/attachment.htm> _______________________________________________ UNSUBSCRIBE: http://www.evdl.org/help/index.html#usub http://lists.evdl.org/listinfo.cgi/ev-evdl.org For EV drag racing discussion, please use NEDRA (http://groups.yahoo.com/group/NEDRA)
